115 
tarsal joint; length, 8 to 10 mm. Tifton, (ia., and Florida. 
Two male specimens. Type No. 3616, U. S. National Museum. 
pulverea n. sp. 
6. Third vein bristly at least three-fourths of distance from the base to 
the small crossveiu 7. 
Third vein bristly at most one- third of this distance, entire abdomen 
black; length, 6 toll mm. Grimsby, Canada; Mount Washing- 
ton and Franeonia, N. H.; Maryland: District of Columbia; 
northern Illinois, and Santa Cruz Mountains, Cal. (Trans. Amer. 
But. Soc., Vol. XIX, p. 286; Dec, 1802.) eufitchice Town. 
7. Fourth and other segments of abdomen black; black, the palpi yel- 
low; front of male three-fourths as wide as, of the female 
slightly wider than, either eye; two pairs of orbital bristles in 
the female, none in the male; sides of front and face white pol- 
linose, cheeks over one-third as broad as the eye height, facial 
ridges bristly on the lowest third, antennae live-sixths as long as 
the face, the third joint one and three-fourths times as long as 
the second, arista thickened on the basal half, the penultimate 
joint shorter than broad ; thorax thinly whitish pollinose, marked 
with four black vittre, scutellum bearing three pairs of long mar- 
ginal and a short apical pair of macroclneta\ abdomen shining, 
bases of the last three segments thinly whitish pollinose, venter 
not carinate in either sex; front pulvilli longer than the last 
tarsal joint; wings hyaline, the base tinged with gray, hind 
crossvein strongly curved, situated nearly midway between the 
small crossvein and the bend, calypteres white; length, 7 to 
9 mm. White Mountains, New Hampshire. Four males and 
five females, collected by the late H. K. Morrison. Type No. 
3617, U. S. National Museum chcetoneura n. sp. 
Fourth segment of abdomen of female on the apical half yellow, her 
venter carinate, sides of front and face in both sexes deep golden 
yellow pollinose, third joint of antennae two and one-third times 
as loug as the second; length, 5 to 9 mm.; otherwise as in the 
above description of chcetoneura. Mount Washington and White 
Mountains, New Hampshire. One male and two females, one 
from the former locality collected by Mrs. A. T. Slosson, the 
others by the late H.K.Morrison. Type No. 3618, U.S. National 
Museum aurifrons n. sp. 
Unrecognized species. — M.(?) fulvipalpis Bigot, Ann. Soc. Ent. France, 
p. 263; 1888: Kocky Mountains. 
Genus ACEMYIA Desv. 
Acemya Desvoidy, Essai sur les Myodaires, p. 202; 1830. 
Agculocera Macquart, Annales Society Ent. France, p. 24; 1855. 
The above synonymy was first determined by Eondani l from an 
examination of a typical specimen received from Macquart, and is 
1 Dipterologia' Italicae l'rodroraus, Vol. IV, p. 81; 18fil 
